Feature Request | Add multi-thread ability on storage rescan

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Feature Request | Add multi-thread ability on storage rescan

Veeam Logoby johngarrett » Mon Jul 10, 2017 6:37 pm

Storage rescans currently run very slowly when enumerating every snapshot on every volume. It makes it difficult when doing lots of provisioning like we do - especially when you're using NetApp SnapVault integration where there could be hundreds of snapshots per volume!

It would be nice if you could specify a number of working threads for this process.

It would also be better if I could create a filter by SVM in the "Choose volumes..." menu. Currently our options are every volume on every SVM in the cluster, or one-by-one choosing each volume, which is tedious in a large environment. If I could, for instance, choose the SVM with only NFS that only serves VMware datastores, that would make that process so much easier.
johngarrett
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Re: Feature Request | Add multi-thread ability on storage re

Veeam Logoby Gostev » Mon Jul 10, 2017 9:43 pm 1 person likes this post

If I am not mistaken, we had such capability before, but had to disable because enumerating multiple snapshot at once was cause NetApp controllers to overload.

Regarding SVM, makes total sense! I will note this request for the future releases.

Thanks!
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Re: Feature Request | Add multi-thread ability on storage re

Veeam Logoby johngarrett » Tue Jul 11, 2017 1:44 pm

Thanks Gostev.

As far as overloading the controllers, I don't see that as an issue in my particular case. I've run 4 or 5 storage rescans concurrently (accidentally of course) and I haven't seen any negative performance impact. Perhaps adding the feature as an opt-in and configurable option (1-8 threads, etc) would be a better compromise. What do you think?
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